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laminitis in horses

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https://www.readbyqxmd.com/read/29426709/diagnosis-and-treatment-of-undifferentiated-and-infectious-acute-diarrhea-in-the-adult-horse
#1
REVIEW
Sarah D Shaw, Henry Stämpfli
Acute, infectious, diarrhea in adult horses is a major cause of morbidity and is associated with numerous complications. Common causes include salmonellosis, clostridiosis, Coronavirus, and infection with Neorickettsia risticii (Potomac horse fever). Treatment is empirical and supportive until results of specific diagnostic tests are available. Supportive care is aimed at restoring hydration, correcting electrolyte imbalances, and limiting the systemic inflammatory response. The mainstays of therapy are intravenous fluid therapy, electrolyte supplementation where necessary, nonsteroidal anti-inflammatory agents, and nutritional support...
February 6, 2018: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/29421480/advanced-nutritional-and-stem-cells-approaches-to-prevent-equine-metabolic-syndrome
#2
REVIEW
Krzysztof Marycz, Izabela Michalak, Katarzyna Kornicka
Horses metabolic disorders have become an important problem of modern veterinary medicine. Pathological obesity, insulin resistance and predisposition toward laminitis are associated with Equine Metabolic Syndrome (EMS). Based on pathogenesis of EMS, dietary and cell therapy management may significantly reduce development of that disorder. Special attention has been paid to the diet supplementation with high bioavailability minerals and mesenchymal stem cells (MSC) which increase insulin sensitivity. In nutrition, there is a great interests in natural algae enriched in biosorption process with micro and macroelements...
January 31, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29397426/the-role-of-neutrophils-in-equine-laminitis
#3
REVIEW
Britta Leise
Equine laminitis is a devastating disease in which failure of the adhesion between the digital dermal and epidermal laminae at the basement membrane results in crippling lameness and structural damage to the foot of the horse. Laminitis occurring secondary to sepsis is known to result from a significant inflammatory response that includes leukocyte emigration into the lamellar tissue. These leukocytes, in particular the neutrophil, have been extensively evaluated in experimental models of sepsis-related laminitis in the horse...
February 3, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29344364/novel-dry-cryotherapy-system-for-cooling-the-equine-digit
#4
Jessica Morgan, Darko Stefanovski, Margret Lenfest, Sraboni Chatterjee, James Orsini
Objectives: Digital cryotherapy is commonly used for laminitis prophylaxis and treatment. Currently validated methods for distal limb cryotherapy involve wet application or compression technology. There is a need for a practical, affordable, dry cryotherapy method that effectively cools the digit. The objective of this study was to evaluate the hoof wall surface temperatures (HWSTs) achieved with a novel dry cryotherapy technology. Design: Repeated-measures in vivo experimental study...
2018: Veterinary Record Open
https://www.readbyqxmd.com/read/29287187/evaluation-of-oral-sugar-test-response-for-detection-of-equine-metabolic-syndrome-in-obese-crioulo-horses
#5
C Cantarelli, S L Dau, S Stefanello, M S Azevedo, G R De Bastiani, H E Palma, K E Brass, F D De La Côrte
Owing to the high prevalence of obesity in Crioulo horses, information allowing early diagnosis of equine metabolic syndrome (EMS) and prevention of the associated laminitis is of great value. The aim of this study was to evaluate the occurrence of EMS and the response to an oral sugar test (OST) in obese Crioulo horses. Twenty-two Crioulo horses were allocated into 3 groups according to their body condition score (BCS out of 9) and presence or absence of laminitis as follows: CON (6/22), BCS < 7; OB (8/22), BCS ≥ 7; and LAM (8/22), BCS ≥7 with clinical and/or radiographic signs of laminitis...
October 31, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/29282770/effect-of-continuous-digital-hypothermia-on-lamellar-inflammatory-signaling-when-applied-at-a-clinically-relevant-timepoint-in-the-oligofructose-laminitis-model
#6
K Dern, A van Eps, T Wittum, M Watts, C Pollitt, J Belknap
BACKGROUND: Although continuous digital hypothermia (CDH) protects lamellae from injury in the oligofructose (OF) model of sepsis-related laminitis (SRL), conflicting results exist from these studies regarding effects of CDH on lamellar inflammatory events. HYPOTHESIS/OBJECTIVES: To determine the effect of CDH on lamellar inflammatory events in normal and OF-treated horses when instituted at a clinically relevant time point (onset of clinical signs of sepsis in this model)...
December 27, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29034249/misoprostol-inhibits-lipopolysaccharide-induced-pro-inflammatory-cytokine-production-by-equine-leukocytes
#7
Emily Medlin Martin, Kristen M Messenger, Mary Katherine Sheats, Samuel L Jones
Pro-inflammatory cytokines including tumor necrosis factor α (TNFα), IL-1β, IL-6, and IL-8 are potent immune mediators that exacerbate multiple equine diseases such as sepsis and laminitis. Unfortunately, safe and effective cytokine-targeting therapies are lacking in horses; therefore, novel mechanisms of inhibiting cytokine production are critically needed. One potential mechanism for inhibiting cytokine synthesis is elevation of intracellular cyclic AMP (cAMP). In human leukocytes, intracellular cAMP production is induced by activation of E-prostanoid (EP) receptors 2 and 4...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29034248/misoprostol-inhibits-equine-neutrophil-adhesion-migration-and-respiratory-burst-in-an-in-vitro-model-of-inflammation
#8
Emily Medlin Martin, Rebecca Louise Till, Mary Katherine Sheats, Samuel L Jones
In many equine inflammatory disease states, neutrophil activities, such as adhesion, migration, and reactive oxygen species (ROS) production become dysregulated. Dysregulated neutrophil activation causes tissue damage in horses with asthma, colitis, laminitis, and gastric glandular disease. Non-steroidal anti-inflammatory drugs do not adequately inhibit neutrophil inflammatory functions and can lead to dangerous adverse effects. Therefore, novel therapies that target mechanisms of neutrophil-mediated tissue damage are needed...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29019941/the-contribution-of-adipose-tissue-derived-mesenchymal-stem-cells-and-platelet-rich-plasma-to-the-treatment-of-chronic-equine-laminitis-a-proof-of-concept
#9
Mario Angelone, Virna Conti, Cristiano Biacca, Beatrice Battaglia, Laura Pecorari, Francesco Piana, Giacomo Gnudi, Fabio Leonardi, Roberto Ramoni, Giuseppina Basini, Silvia Dotti, Sabrina Renzi, Maura Ferrari, Stefano Grolli
Laminitis, a highly debilitating disease of the foot in ungulates, is characterized by pathological changes of the complex lamellar structures that maintain the appendicular skeleton within the hoof. Laminitis is a multifactorial disease that involves perturbation of the vascular, hematological, and inflammatory homeostasis of the foot. Interestingly, the pathogenesis of the disease resembles what is observed in metabolic syndromes and sepsis-induced organ failure in humans and animals. We hypothesized that local administration of mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) might contribute to establishing an anti-inflammatory and pro-angiogenic environment, and could stimulate the injured tissue in order to restore its functional integrity...
October 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28955162/characteristic-findings-of-magnetic-resonance-imaging-mri-and-computed-tomography-ct-for-severe-chronic-laminitis-in-a-thoroughbred-horse
#10
Kazutaka Yamada, Tomohiro Inui, Megumi Itoh, Masashi Yanagawa, Fumio Sato, Masataka Tominari, Fumiaki Mizobe, Miori Kishimoto, Naoki Sasaki
A Thoroughbred horse with severe chronic laminitis of both forelimbs was evaluated on the same day with magnetic resonance imaging (MRI) and computed tomography (CT). Both MRI and CT revealed loss of the dorsal aspect of the cortical bone of the 3rd phalanx and sclerosis. CT reflected the status of the horny layer and bone of the affected feet, while MRI depicted inflammation of the laminar corium, together with tendon edema. On the 3-dimensional CT venogram, vessels were visualized in both the right and left forelimbs, although there was a difference in the vasculature of the coronary plexus and circumflex vessels between the right and left forelimbs...
2017: Journal of Equine Science
https://www.readbyqxmd.com/read/28948628/incidence-of-laminitis-and-survey-of-dietary-and-management-practices-in-pleasure-horses-and-ponies-in-south-eastern-australia
#11
S J Potter, N J Bamford, P A Harris, S R Bailey
OBJECTIVES: The aims of this study were to (1) report the incidence of laminitis among a population of horses and ponies attending Pony Clubs in Victoria, Australia, and (2) describe the dietary and management practices of the sample population. METHODS: Researchers visited 10 Pony Clubs over a 10-month period. Horse and pony owners completed a questionnaire to provide information on management relating to diet and exercise. Owners were also asked to report their animal's history of laminitis, if any...
October 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28761187/response-to-acupuncture-treatment-in-horses-with-chronic-laminitis
#12
Babak Faramarzi, Dongbin Lee, Kevin May, Fanglong Dong
There is a need for evidence-based scientific research to address the question of the effectiveness of acupuncture in improving clinical signs of laminitis in horses. The objective of this study was to compare lameness levels before and after 2 acupuncture treatments in horses with chronic laminitis. Twelve adult horses with chronic laminitis received 2 acupuncture treatments 1 week apart. The points were treated using dry needling, hemo-acupuncture, and aqua-acupuncture. Lameness level was objectively evaluated using an inertial sensor-based lameness evaluation system (Lameness Locator), as well as routine examinations following American Association of Equine Practitioners scoring before the first and 1 week after the second acupuncture treatment...
August 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28727072/the-equine-glucose-dependent-insulinotropic-polypeptide-receptor-a-potential-therapeutic-target-for-insulin-dysregulation
#13
M H Kheder, M N Sillence, L M Bryant, M A de Laat
Metabolic disease is a significant problem that causes a range of species-specific comorbidities. Recently, a better understanding of glucose-dependent insulinotropic polypeptide (GIP) biology has led to the suggestion that inhibiting its action may attenuate obesity in several species. In horses, antagonism of GIP may also reduce hyperinsulinemia, which leads to insulin-associated laminitis, a painful comorbidity unique to this species. However, little is known about GIP in horses. The aims of this study were to examine the tissue distribution of equine GIP receptors (eGIPR), to determine whether eGIPR can be blocked using a GIP antagonist not tested previously in horses, and to establish whether there is any association between GIP concentrations and body mass in this species...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28703351/a-comparative-study-between-responses-of-isolated-bovine-and-equine-digital-arteries-to-vasoactive-mediators
#14
C Zizzadoro, M Caruso, S Punzi, G Crescenzo, F Zongoli, C Belloli
Hemodynamic perturbations, partly resulting from abnormal vasoconstriction of digital vessels, have been implicated in the pathogenesis of bovine and equine laminitis. This study compared the responsiveness of isolated bovine (BDA) and equine (EDA) digital arteries to pharmacological agents that stimulate receptor systems involved in the regulation of normal vessel tone. The role of the endothelium and the short- and longer-term effects of an experimentally induced endothelial damage were also evaluated. Species-related differences were found in the vessel reactivity to all of the receptor agonists tested...
July 13, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28689512/circulating-mir-23b-3p-mir-145-5p-and-mir-200b-3p-are-potential-biomarkers-to-monitor-acute-pain-associated-with-laminitis-in-horses
#15
C Lecchi, E Dalla Costa, D Lebelt, V Ferrante, E Canali, F Ceciliani, D Stucke, M Minero
Circulating microRNAs (miRNAs) are emerging as promising biomarkers for several disorders and related pain. In equine practice, acute laminitis is a common disease characterised by intense pain that severely compromises horse welfare. Recently, the Horse Grimace Scale (HGS), a facial expression-based pain coding system, was shown to be a valid welfare indicator to identify pain linked to acute laminitis. The present study aimed to: determine whether miRNAs can be used as biomarkers for acute pain in horses (Equus caballus) affected by laminitis; integrate miRNAs to their target genes and to categorise target genes for biological processes; gather additional evidence on concurrent validity of HGS by investigating how it correlates to miRNAs...
July 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28581914/technical-skills-training-for-veterinary-students-a-comparison-of-simulators-and-video-for-teaching-standardized-cardiac-dissection
#16
Rachel E Allavena, Andrea B Schaffer-White, Hanna Long, John I Alawneh
The goal of the study was to evaluate alternative student-centered approaches that could replace autopsy sessions and live demonstration, and to explore refinements in assessment procedures for standardized cardiac dissection. Simulators and videos were identified as feasible, economical, student-centered teaching methods for technical skills training in medical contexts, and a direct comparison was undertaken. A low-fidelity anatomically correct simulator approximately the size of a horse's heart with embedded dissection pathways was constructed and used with a series of laminated photographs of standardized cardiac dissection...
June 5, 2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28543943/assessment-of-horse-owners-ability-to-recognise-equine-laminitis-a-cross-sectional-study-of-93-veterinary-diagnosed-cases-in-great-britain
#17
D Pollard, C E Wylie, K L P Verheyen, J R Newton
BACKGROUND: Use of owner-reported data could further epidemiological knowledge of equine laminitis. However, owner recognition of laminitis has not previously been assessed. OBJECTIVES: The primary objective was to establish whether cases of owner-suspected laminitis would be confirmed as laminitis by the attending veterinary surgeon. Secondary objectives were to compare owner- and veterinary-reported information from veterinary-confirmed cases of equine laminitis...
May 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28543410/the-diagnosis-of-equine-insulin-dysregulation
#18
REVIEW
F R Bertin, M A de Laat
Insulin dysregulation is the hallmark of equine metabolic syndrome and has received attention because of its direct association with laminitis. In the absence of an adequate treatment for laminitis, a focus on prophylaxis is needed, making early detection of individuals at risk of developing laminitis one of the main challenges in equine endocrinology. Recent studies have shown that insulin dysregulation goes beyond tissue insulin resistance and it is now demonstrated that the equine enteroinsular axis plays a major role in insulin secretion and equine hyperinsulinaemia...
September 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28540255/comparison-and-validation-of-elisa-assays-for-plasma-insulin-like-growth-factor-1-in-the-horse
#19
Courtnay L Baskerville, Nicholas J Bamford, Patricia A Harris, Simon R Bailey
Insulin-like growth factor-1 (IGF-1) plays several important physiological roles, and IGF-related pathways have been implicated in developmental osteochondral disease and endocrinopathic laminitis. This factor is also a downstream marker of growth hormone activity and its peptide mimetics. Unfortunately, previously used assays for measuring equine IGF-1 (radioimmunoassays and ELISAs) are no longer commercially available, and many of the kits on the market give poor results when used on horse samples. The aim of the present study was to compare three different ELISA assays (two human and one horse-specific)...
2017: Open Veterinary Journal
https://www.readbyqxmd.com/read/28460750/cross-sectional-study-of-the-prevalence-of-and-risk-factors-for-hoof-disorders-in-horses-in-the-netherlands
#20
M Holzhauer, R Bremer, I Santman-Berends, O Smink, I Janssens, W Back
Information is scarce on the prevalence of hoof disorders in horses. In this study, we examined the prevalence of and risk factors for hoof disorders in a population of horses in The Netherlands. In a group of 942 randomly selected horses, hoof health was scored during regular foot trimming (one horse/farm). Hooves were assessed for the occurrence of one of 12 hoof disorders by a group of 21 certified farriers in two periods i.e. winter and summer of 2015. The mean age of the group of horses was 11.2±5.6years...
May 1, 2017: Preventive Veterinary Medicine
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